What was found
EMR DIV-GEAR DISAGREE AGREE WARNING MESSAGE ON TAKEOFF PERFORMED QRH CH 10-3, ALL THREE GEARS INDICATED DOWN AND LOCKED, LANDING GEAR DID NOT MOVE, NO CHANGE ON THE EITHER 3A OR 3B PUMP, VERIFIRED SYSTEM 3 HYDRAULICS AT 3000 PSI, MDC FLAGGING B1 CODE 007697, 007249, 007437, 005968, 007412. FOUND NLG RH CENTERING PROX-SENSOR TARGET MISSING. NO DAMAGE WAS FOUND AROUND THE AREA. INSTALLED NEW NLG RH CENTERING PROX-SENSOR TARGET IAW CRJ 700 AMM 32-61-05-400-808-A01. OPERATIONAL TEST GOOD AT THIS TIME. ALL 3 GEAR OPERATE AS THEY SHOULD NOW, NO FAULTS AT THIS TIME.